I would think a program to generate 046 fields from 670s would often result in incorrect dates. Many times a person is published posthumously and such a program would generate a period of activity going on past his/her death, right? On Tue, May 6, 2014 at 10:14 AM, Gary L Strawn <[log in to unmask]>wrote: > This response springs from an issue raised during the discussion of > "active" dates but it actually deals only with firm dates. > > > > Interesting question, Richard. Some will know that in order to test a > module that may be used to generate 046 fields from information in the 670 > fields, the authority loader we use here has begun to compare the 046 > present in incoming LC/NACO authority records with information pulled by > the new module from the 670s, and to report the discrepancies. (Yes, there > are plenty of these.) As it happens, this module refuses to proceed if the > authority record contains 046 and 100 $d and the years in the two disagree, > but until now I haven't actually used this for anything. > > > > I just had a test program run through the most recently issued names file > (14.17), pulling out records with 046 fields and comparing them to the 100 > $d. The program found 2,945 incoming non-delete records with 046 fields > containing either $f or $g (or both). Of these, the program was able to > handle 2,727 successfully. Of the 24 records rejected for one cause or > another, 16 were rejected because information in the 046 field disagrees > with information in 100 $d. Make of that proportion what you will. Here > are more examples than anyone will need (I've deliberately eliminated the > text from 100 $a so we can focus on the numbers and not worry about > side-issues): > > > > 046: : |f 1900 |g 1969 > > 100:1 : |d 1900-1968 > > 670 field: died 1968 > > > > 046: : |f 18200929 |g 19080113 > > 100:1 : |d 1820-1909 > > 670 fields show both 1908 and 1909 > > > > 046: : |f 18991018 |g 19781029 > > 100:1 : |d 1889-1978 > > 670 fields have 1889 everywhere > > > > 046: : |f 1922 |g 1965 > > 100:1 : |d 1921-1965 > > 670 fields have 1922 everywhere > > > > 046: : |f 1987 > > 100:1 : |d 1986- > > 670 field says born 1987 > > > > 046: : |f 1946 > > 100:1 : |d 1904- > > 670 field says 1904 > > > > 046: : |f 19480708 > > 100:1 : |d 1965- > > 670 field says July 8, 1965 > > > > 046: : |f 10600927 > > 100:1 : |d 1960- > > 670 field says Sept. 27, 1960 > > > > 046: : |f 19160811 |g 20110522 > > 100:1 : |d 1916-1985 > > 670 fields only say 1985 > > > > 046: : |f 18590109 |g 18380817 > > 100:1 : |d 1859-1938 > > "For yourself, sir, should be as old as I am, if like a crab you could go > backward." > > (Sorry; couldn't resist.) > > > > As far as I can tell, most of the above stem from one kind of operator > error or another, either simple typographical errors, or perhaps the eye > skipping to the wrong part of the record or even another record. Errors of > this type will continue to happen regardless of legislation. (But it does > seem clear that this test needs to be added to the authority loader as > well, so that typographical errors can be corrected.) > > > > At least one of the records, though, involves a disagreement about a date > in sources, and having a clear statement directing people what to put into > the 046 would be a very good thing. Here's another record with the same > condition; in this case, the person constructing the record attempted to > describe the problem, instead of resolving it (in the original record, each > of these 046 fields also has subfield $v): > > > > 046: : |f 1873 |g 1968 > > 046: : |f 1874 > > 046: : |f 18740330 |g 19680911 > > 100:1 : |d 1873-1968 > > > > Gary L. Strawn, Authorities Librarian, etc. Twitter: GaryLStrawn > > Northwestern University Library, 1970 Campus Drive, Evanston IL 60208-2300 > > e-mail: [log in to unmask] voice: 847/491-2788 fax: 847/491-8306 > > Forsan et haec olim meminisse iuvabit. BatchCat version: 2007.25.428 > > > > *From:* Program for Cooperative Cataloging [mailto: > [log in to unmask]] *On Behalf Of *Moore, Richard > *Sent:* Tuesday, May 06, 2014 2:17 AM > *To:* [log in to unmask] > *Subject:* Re: [PCCLIST] "Active" dates > > > > > > Against this, maybe it would be confusing in some way if 046 and 100 $d > did not match. Maybe it’s something on which PSD could give an opinion? > -- Stanley Elswick NOAA Central Library 301.713.2607 x138 *The content of this msg., unless stated explicity otherwise, reflects only my personal views and not the views of the U.S. Government.*